Home / 123,240.32-170,071.44-69,525.20

Finding the Fourth Proportional to 123,240.32, 170,071.44 and 69,525.20

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Solution

The fourth proportional to 123,240.32, 170,071.44 and 69,525.20 is: 95,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,240.32 : 170,071.44 = 69,525.20 : x
  2. Step 2: Convert to fraction form
    123,240.32/170,071.44 = 69,525.20/x
  3. Step 3: Cross multiply
    123,240.32x = 170,071.44 × 69,525.20
  4. Step 4: Simplify right side
    123,240.32x = 11,824,250,880.29
  5. Step 5: Solve for x
    x = 11,824,250,880.29/123,240.32
  6. Step 6: Final answer
    x = 95,944.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.